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Effect of Dust Storms on Non-Accidental, Cardiovascular, and Respiratory Mortality: A Case of Dezful City in Iran Publisher



Aghababaeian H1, 2 ; Ostadtaghizadeh A1, 3 ; Ardalan A1 ; Asgary A4 ; Akbary M5 ; Yekaninejad MS6 ; Sharafkhani R7 ; Stephens C8, 9
Authors
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Authors Affiliations
  1. 1. Department of Health in Emergencies and Disasters, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Nursing and Emergency, Dezful University of Medical Sciences, Dezful, Iran
  3. 3. Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Disaster and Emergency Management, School of Administrative Studies, York University, Toronto, Canada
  5. 5. Department of Climatology, Faculty of Geographical Sciences, Kharazmi University, Tehran, Iran
  6. 6. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. School of Public Health, Khoy University of Medical Sciences, Khoy, Iran
  8. 8. UCL Institute of Health Equity, London, United Kingdom
  9. 9. Faculty of Public Health Medicine, London, United Kingdom

Source: Environmental Health Insights Published:2021


Abstract

Background: Despite the fact that Iran has been exposed to severe dust storms during the past 2 decades, few studies have investigated the health effects of these events in Iran. This study was conducted to assess the association between dust storms and daily non-accidental, cardiovascular, and respiratory mortality in Dezful City (Khuzestan Province, Iran) during 2014 to 2019. Methods: In this study, mortality, meteorological, and climatological data were obtained from the Dezful University of Medical Sciences, Iranian Meteorological Organization, and Department of Environment in Khuzestan Province, respectively. Days of dust storm were identified based on the daily concentration threshold of particulate matter with an aerodynamic diameter of less than 10 μm (PM10) according to Hoffmanns҆ definition, and then an ecological time-series was used to estimate the short-term effects of dust storms on daily mortality. Statistical analysis was performed using a distributed lag linear model (DLM) and a distributed lag non-linear model (DLNM) packages by R software and the study results were reported as excess mortality. Results: During the study period, 15 223 deaths were recorded, and 139 dust storms occurred in Dezful city. In addition, there was statistically significant excess risk of mortality due to dust storms in Dezful City (mortality in the group under 15 years of age, lag4: 34.17% and 15-64 years of age groups, lag5: 32.19%, lag6: 3.28%), also dust storms had statistically significant effects on respiratory mortality (lag6: 5.49%). Conclusion: The findings of the current study indicate that dust storms increase the risk of mortality with some lags. An evidence-based early warning system may be able to aware the people of the health effects of dust storms. © The Author(s) 2021.
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